arm/xilinx/uart_dev_cdnc.c

487 	uint32_t new, old, modem_ctrl;
500 	modem_ctrl = RD4(bas, CDNC_UART_MODEM_CTRL_REG) &
503 		modem_ctrl |= CDNC_UART_MODEM_CTRL_REG_DTR;
505 		modem_ctrl |= CDNC_UART_MODEM_CTRL_REG_RTS;
506 	WR4(bas, CDNC_UART_MODEM_CTRL_REG, modem_ctrl);
648 	uint32_t uart_ctrl, modem_ctrl;
666 		modem_ctrl = RD4(bas, CDNC_UART_MODEM_CTRL_REG);
668 			modem_ctrl |= CDNC_UART_MODEM_CTRL_REG_RTS;
670 			modem_ctrl &= ~CDNC_UART_MODEM_CTRL_REG_RTS;
671 		WR4(bas, CDNC_UART_MODEM_CTRL_REG, modem_ctrl);